Error: Getter not found: 'closed_caption_off_outlined'

Hi, I tried to run the app inside the example folder. But it's giving me the following error after `flutter run`:

```
../lib/src/material/material_controls.dart:175:23: Error: Getter not found: 'closed_caption_off_outlined'.
: Icons.closed_caption_off_outlined,
^^^^^^^^^^^^^^^^^^^^^^^^^^^
../lib/src/material/material_controls.dart:432:23: Error: Getter not found: 'closed_caption_off_outlined'.
: Icons.closed_caption_off_outlined,
^^^^^^^^^^^^^^^^^^^^^^^^^^^
../lib/src/material/material_desktop_controls.dart:160:23: Error: Getter not found: 'closed_caption_off_outlined'.
: Icons.closed_caption_off_outlined,
^^^^^^^^^^^^^^^^^^^^^^^^^^^

FAILURE: Build failed with an exception.

* Where:
Script 'D:\dev\cherrying\flutter\packages\flutter_tools\gradle\flutter.gradle' line: 991

* What went wrong:
> Process 'command 'D:\dev\cherrying\flutter\bin\flutter.bat'' finished with non-zero exit value 1

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

* Get more help at https://help.gradle.org

BUILD FAILED in 8s
```

I am sure that I added all the dependencies. What could be going wrong here?